NL47076C - - Google Patents
Info
- Publication number
- NL47076C NL47076C NL47076DA NL47076C NL 47076 C NL47076 C NL 47076C NL 47076D A NL47076D A NL 47076DA NL 47076 C NL47076 C NL 47076C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/006—Angle modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
- H03D3/12—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of discharge tubes having more than two electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Near-Field Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60420A US2100394A (en) | 1936-01-23 | 1936-01-23 | Reception of frequency modulated waves and circuits therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL47076C true NL47076C (xx) | 1939-06-15 |
Family
ID=22029352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL47076D NL47076C (xx) | 1936-01-23 | 1936-12-31 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2100394A (xx) |
| DE (1) | DE736084C (xx) |
| FR (1) | FR818511A (xx) |
| GB (1) | GB481888A (xx) |
| NL (1) | NL47076C (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE759434C (de) * | 1940-09-25 | 1953-05-04 | Lorenz A G C | Frequenzabhaengiger Spannungsteiler zur Umwandlung einer frequenz-modulierten Wechsepspannung in eine amplitudenmodulierte |
| US2423594A (en) * | 1942-07-23 | 1947-07-08 | Liebel Flarsheim Co | Resonance indicating and controlling device |
| US2518129A (en) * | 1943-10-23 | 1950-08-08 | Honeywell Regulator Co | Control device |
| US2558758A (en) * | 1944-01-22 | 1951-07-03 | Sperry Corp | Radio velocity indicator |
| US2478311A (en) * | 1946-03-04 | 1949-08-09 | Marshall C Pease | Circuit for determining carrier frequencies of frequency modulated signals |
| US2525780A (en) * | 1947-01-14 | 1950-10-17 | Charles E Dennis | Electrical frequency discriminator circuit |
| US2499742A (en) * | 1948-06-11 | 1950-03-07 | Bell Telephone Labor Inc | Frequency modulation detector |
| US2747146A (en) * | 1952-02-12 | 1956-05-22 | Cook Electric Co | Frequency enseitive control apparatus |
| JPS55162607A (en) * | 1979-06-05 | 1980-12-18 | Victor Co Of Japan Ltd | Fm demodulation circuit |
-
1936
- 1936-01-23 US US60420A patent/US2100394A/en not_active Expired - Lifetime
- 1936-09-18 GB GB25444/36A patent/GB481888A/en not_active Expired
- 1936-11-23 FR FR818511D patent/FR818511A/fr not_active Expired
- 1936-12-31 NL NL47076D patent/NL47076C/xx active
-
1937
- 1937-01-18 DE DEI56904D patent/DE736084C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2100394A (en) | 1937-11-30 |
| GB481888A (en) | 1938-03-18 |
| DE736084C (de) | 1943-06-07 |
| FR818511A (fr) | 1937-09-30 |